diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/validation/mixins/form-control.mixin.ts b/src/Umbraco.Web.UI.Client/src/packages/core/validation/mixins/form-control.mixin.ts
index a8bca1dce6..6ddff76619 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/validation/mixins/form-control.mixin.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/validation/mixins/form-control.mixin.ts
@@ -334,7 +334,8 @@ export const UmbFormControlMixin = <
 		}
 
 		updated(changedProperties: Map<string | number | symbol, unknown>) {
-			super.updated(changedProperties);
+			// @ts-expect-error We don't know if we are extending a lit-element:
+			super.updated?.(changedProperties);
 			this._runValidators();
 		}